the act of pushing your arm up someones or (your own) doup, reeming it so far up the jobby canal that your whole forearm becomes immersed in the fecal flume, caked in there (or your) very own bum mustard leaving you with what looks like sun tan from being out in the sun for too long wearing a t-shirt known as "tinky tan"
Aww for fuck sake!.. I was really wanting a tan today but look its pissin it down!.. RITE!, FUCK IT!. Here min, bend over... WHY?.. because am away to reem your poopchute to give masel fake bake.. why get baked when I can get CAKED!"